Q: What are the prime factors of the number 85,083,200?

 A: 2, 5, 41, 1297

Why are those the prime factors of the number 85,083,200?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 85,083,200

85,083,200
Factor Arrows
242,541,600
Factor Arrows
221,270,800
Factor Arrows
210,635,400
Factor Arrows
25,317,700
Factor Arrows
22,658,850
Factor Arrows
21,329,425
Factor Arrows
5265,885
Factor Arrows
553,177
Factor Arrows
411,297

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 5, 41, 1297

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 41 x 1,297 = 85,083,200

This can also be written as 26 x 52 x 411 x 1,2971 = 85,083,200

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 85,083,200:


Ask a Question